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authorcrupest <crupest@outlook.com>2021-02-23 21:07:19 +0800
committercrupest <crupest@outlook.com>2021-02-23 21:07:19 +0800
commitd8f3b40085619cb680c8f227c65a1f5acc393223 (patch)
tree6a38e3a6c79276fc396259ef962d17236dbed569 /leetcode/cpp/66.cpp
parentb0162802ad9723c678e495f29ca2f0fc0af2eff1 (diff)
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Move leetcode solutions to subdir.
Diffstat (limited to 'leetcode/cpp/66.cpp')
-rw-r--r--leetcode/cpp/66.cpp34
1 files changed, 34 insertions, 0 deletions
diff --git a/leetcode/cpp/66.cpp b/leetcode/cpp/66.cpp
new file mode 100644
index 0000000..40ce008
--- /dev/null
+++ b/leetcode/cpp/66.cpp
@@ -0,0 +1,34 @@
+#include <vector>
+
+using std::vector;
+
+class Solution
+{
+public:
+ vector<int> plusOne(vector<int> &digits)
+ {
+ bool carry = true;
+ const auto end = digits.rend();
+ for (auto iter = digits.rbegin(); carry && iter != end; ++iter)
+ {
+ auto &digit = *iter;
+ digit += 1;
+ if (digit == 10)
+ {
+ digit = 0;
+ carry = true;
+ }
+ else
+ {
+ carry = false;
+ }
+ }
+
+ if (carry)
+ {
+ digits.insert(digits.cbegin(), 1);
+ }
+
+ return digits;
+ }
+};